doc: Some additional information about when to use referential actions
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/5786fe154b53caef8b226ed863312d3608b32a51
Modified Files
--------------
doc/src/sgml/ddl.sgml | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)